Update vendored requests to 2.25.1

Updates certifi to 2021.5.30
Updates chardet to 4.0.0
Updates idna to 2.10
Updates urllib3 to 1.26.13

libs/common/certifi/__main__.py

@@ -1,2 +1,12 @@
-from certifi import where
-print(where())
+import argparse
+
+from certifi import contents, where
+
+parser = argparse.ArgumentParser()
+parser.add_argument("-c", "--contents", action="store_true")
+args = parser.parse_args()
+
+if args.contents:
+    print(contents())
+else:
+    print(where())